Prevalence of Asymptomatic Bacteriuria and Associated Host Factors in Women with Diabetes type 2

B Zamanzad, M Moezzi


Background: Asymptomatic bacteriuria (ASB) is common among women with diabetes. The aim of this study was determine the prevalence of and risk factors for ASB in women with diabetes type 2 in Shahre-kord city of Iran.

Methods: In a six months period (April- September 2005), a total of 100 women with diabetes (type 2) and 100 healthy women without diabetes as control group were investigated for the presence of ASB. After a follow-up of six months, the rate of developing of ASB to symptomatic urinary tract infection (UTI) in patients was evaluated.

Results: The prevalence of ASB was 20% in the diabetic patients and 4% in control group (P< 0.05). Escherichia coli, Coagulase negative staphylococci, Enterococcus spp. and Klebsiella pneumonia were the most prevalent isolates respectively. Pyuria was present in 80% of patients with ASB and in 17.5% of those without ASB. Symptomatic UTI in previous year was the only risk factor for ASB in the patients (P< 0.05). During a follow-up of six months, 40% of diabetic patients with ASB developed to symptomatic UTI.

Conclusions: The prevalence of ASB is increased in women with diabetes and we recommend screening for detection and treatment of ASB in diabetic patients.


Asymptomatic bacteriuria, Diabetes type 2, Escherichia coli, Pyuria

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